WO2017073428A1 - Structure d'isolation thermique sous vide - Google Patents
Structure d'isolation thermique sous vide Download PDFInfo
- Publication number
- WO2017073428A1 WO2017073428A1 PCT/JP2016/080962 JP2016080962W WO2017073428A1 WO 2017073428 A1 WO2017073428 A1 WO 2017073428A1 JP 2016080962 W JP2016080962 W JP 2016080962W WO 2017073428 A1 WO2017073428 A1 WO 2017073428A1
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- WO
- WIPO (PCT)
- Prior art keywords
- vacuum heat
- heat insulating
- insulating material
- tubular member
- tank
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/025—Bulk storage in barges or on ships
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0128—Shape spherical or elliptical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/052—Size large (>1000 m3)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/01—Reinforcing or suspension means
- F17C2203/011—Reinforcing means
- F17C2203/013—Reinforcing means in the vessel, e.g. columns
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/01—Reinforcing or suspension means
- F17C2203/014—Suspension means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0304—Thermal insulations by solid means
- F17C2203/0308—Radiation shield
- F17C2203/032—Multi-sheet layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0391—Thermal insulations by vacuum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0626—Multiple walls
- F17C2203/0629—Two walls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/033—Small pressure, e.g. for liquefied gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/031—Dealing with losses due to heat transfer
- F17C2260/033—Dealing with losses due to heat transfer by enhancing insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
Definitions
- the present invention relates to a vacuum heat insulating structure.
- a vacuum heat insulating structure in which a first member on a low temperature side and a second member on a high temperature side face each other with a vacuum space therebetween.
- the first member is covered with a laminated vacuum heat insulating material in order to prevent heat from entering from the second member to the first member due to heat radiation.
- Patent Document 1 a plurality of tubular members are disposed in a vacuum space between an inner tank (first member on the low temperature side) and an outer tank (second member on the high temperature side), and these tubular members are interposed therebetween.
- a double shell tank in which the inner tank is supported by the outer tank is disclosed.
- the tubular member when the tubular member is arranged in the vacuum space as described above, it is desired to prevent the heat from entering from the second member to the first member even inside the tubular member.
- the first member is covered with a flat laminated vacuum heat insulating material inside the tubular member, and the inner peripheral surface of the tubular member is covered with a cylindrical laminated vacuum heat insulating material.
- the laminated vacuum heat insulating material is wound around the outside of the heat insulation object and held on the heat insulation object by tension.
- the cylindrical laminated vacuum heat insulating material how to maintain the cylindrical laminated vacuum heat insulating material along the inner peripheral surface of the tubular member. It will be a problem.
- an object of the present invention is to provide a vacuum heat insulating structure capable of maintaining a cylindrical laminated vacuum heat insulating material in a state along the inner peripheral surface of the tubular member.
- a vacuum heat insulating structure includes a first member, a second member that is opposed to the first member across a vacuum space, and has a higher temperature than the first member, and the first member.
- a tubular member extending from the member toward the second member, a planar first laminated vacuum heat insulating material covering the first member inside the tubular member, and a tubular first covering the inner peripheral surface of the tubular member 2 laminated vacuum heat insulating material, and the holding member around which the said 2nd laminated vacuum heat insulating material was arrange
- stacking vacuum heat insulating material which covers the internal peripheral surface of a tubular member is wound around the holding member, the 2nd lamination
- the holding member may include a first holding part on which the first laminated vacuum heat insulating material is placed and a second holding part around which the second laminated vacuum heat insulating material is wound. According to this structure, even if it does not provide a stud bolt etc. in a 1st member, a 1st lamination
- the holding member may have a container shape opening toward the second member, in which the first holding portion is a ceiling wall and the second holding portion is a peripheral wall. According to this configuration, the holding member can have a simple shape.
- the tubular member is in contact with the second member, and the tubular member is made of a material having a thermal conductivity smaller than 1 W / m ⁇ K, and is disposed on the second member side of the second laminated vacuum heat insulating material.
- the distance from one end to the one end on the second member side of the tubular member may be 1/2 or less and 1/6 or more of the length of the tubular member.
- the laminated vacuum heat insulating material tends to conduct heat easily in a direction orthogonal to the thickness direction (stacking direction).
- the tubular member is formed with a temperature gradient in which the temperature gradually decreases from one end on the second member side toward the other end on the first member side.
- the second laminated vacuum heat insulating material when the second laminated vacuum heat insulating material extends to the immediate vicinity of the second member, the second laminated vacuum heat insulating material serves as a bypass route for heat bypassing the intermediate portion of the tubular member.
- the length of the second laminated vacuum heat insulating material is too short, the inner peripheral surface of the tubular member is greatly exposed, so that a large amount of heat enters the first member through the tubular member by heat radiation.
- the second laminated vacuum heat insulating material can be effectively suppressed from serving as a heat detour route that bypasses the intermediate portion of the tubular member.
- first member and the second member may be an inner tank and an outer tank of a double shell tank, respectively.
- the double shell tank may be a marine tank mounted on a marine vessel.
- the cylindrical laminated vacuum heat insulating material can be maintained in a state along the inner peripheral surface of the tubular member.
- FIG. 1 shows a double shell tank 1 employing a vacuum heat insulating structure according to an embodiment of the present invention.
- the double shell tank 1 is a marine tank mounted on a marine vessel, for example.
- the double shell tank 1 does not need to be a marine tank, and may be a tank installed on the ground, for example.
- the double shell tank 1 includes an inner tank 11 and an outer tank 12 that face each other with a vacuum space 13 therebetween.
- the inner tank 11 corresponds to the first member of the present invention
- the outer tank 12 corresponds to the second member of the present invention.
- a low-temperature liquefied gas is stored in the inner tank 11.
- the outer tank 12 that encloses the inner tank 11 is exposed to the atmosphere. That is, the temperature of the outer tub 12 is a room temperature higher than the temperature of the inner tub 11.
- the vacuum space 13 plays a role of preventing heat transfer due to air convection between the inner tank 11 and the outer tank 12.
- a plurality of tubular members 2 are disposed between the inner tank 11 and the outer tank 12. Each tubular member 2 extends from the inner tank 11 toward the outer tank 12 and is in contact with the outer tank 12. The inner tank 11 is supported by the outer tank 12 through the tubular member 2.
- the inner tank 11 has a cylindrical shape extending in a direction orthogonal to the paper surface.
- the tubular members 2 are arranged in two rows on a line extending in the circumferential direction of the inner tank 11 at positions separated from each other in the axial direction of the inner tank 11, and the axial direction of each tubular member 2 is the diameter of the inner tank 11. It matches the direction.
- the arrangement of the tubular members 2 can be appropriately changed according to the shape of the inner tank 11.
- the tubular members 2 may be arranged in a cross shape in two orthogonal directions with the lowermost end of the inner tank 11 as the center.
- the tubular members 2 may be arranged in a matrix between the bottoms of the inner tank 11 and the outer tank 12.
- each tubular member 2 is in direct contact with the inner tank 11 and the outer tank 12.
- another member may be fitted to one end and the other end of the tubular member 2, and the tubular member 2 may be in contact with the inner tank 11 and the outer tank 12 through the member.
- each tubular member 2 is circular.
- the cross-sectional shape of each tubular member 2 may be other shapes such as a polygon.
- each tubular member 2 is made of a material having a thermal conductivity at room temperature smaller than 1 W / m ⁇ K.
- a material having a thermal conductivity at room temperature smaller than 1 W / m ⁇ K.
- FRP fiber reinforced plastic
- GFRP glass fiber reinforced plastic
- CFRP carbon fiber reinforced plastic
- the inner tank 11 is covered with a plurality of planar outer first laminated vacuum heat insulating materials 14. Moreover, the outer peripheral surface of each tubular member 2 is covered with a cylindrical outer second laminated vacuum heat insulating material 15. On the other hand, inside each tubular member 2, the inner tank 11 is covered with a planar inner first laminated vacuum heat insulating material 3. The inner peripheral surface of each tubular member 2 is covered with a cylindrical inner second laminated vacuum heat insulating material 4.
- Each of the laminated vacuum heat insulating materials 14, 15, 3, and 4 has a structure in which, for example, a radiation shield film and a spacer are alternately laminated.
- the radiation shield film is formed, for example, by evaporating aluminum (or gold or silver) on the surface of the resin sheet.
- the spacer is a sheet having a low thermal conductivity. As such a sheet, a resin net, woven fabric, non-woven fabric, paper, glass fiber material, or the like can be used.
- the outer first laminated vacuum heat insulating material 14 is wound around the inner tank 11 so that the ends of the adjacent outer first laminated vacuum heat insulating materials 14 overlap each other.
- the ends of the adjacent outer first laminated vacuum heat insulating materials 14 are joined by a surface fastener.
- the outer first laminated vacuum heat insulating material 14 may be held on the inner tub 11 by tension, may be held on the inner tub 11 using a stud bolt provided in the inner tub 11, or may be a ring. It may be held on the inner tank 11 by a shaped band.
- the outer second laminated vacuum heat insulating material 15 is wound around the tubular member 2 so that the ends overlap each other.
- the ends of the outer second laminated vacuum heat insulating material 15 are joined by a surface fastener so that a tension acts on the outer second laminated vacuum heat insulating material 15, and the outer second laminated vacuum heat insulating material 15 is tubular by the tension. It is held on the outer peripheral surface of the member 2.
- the length of the outer second laminated vacuum heat insulating material 15 is shorter than the length of the tubular member 2, and the lower part of the outer peripheral surface of the tubular member 2 is exposed. However, the outer peripheral surface of the tubular member 2 may be entirely covered with the outer second laminated vacuum heat insulating material 15.
- a holding member 5 is disposed inside each tubular member 2.
- the holding member 5 includes a first holding part 51 on which the inner first laminated vacuum heat insulating material 3 is placed and a second holding part 52 around which the inner second laminated vacuum heat insulating material 4 is wound.
- the holding member 5 has a container shape that opens toward the outer tub 12 in which the first holding portion 51 is a ceiling wall and the second holding portion 52 is a peripheral wall.
- the first holding part 51 that is a ceiling wall is circular
- the second holding part 52 that is a peripheral wall is cylindrical.
- Each of the ceiling wall and the peripheral wall may be a continuous plate as shown in FIG. 3 or a plate having a large number of holes (for example, punching metal or expanded metal).
- the configuration of the holding member 5 can be changed as appropriate.
- the first holding part 51 that is a ceiling wall may be polygonal.
- the second holding part 52 may be composed of a plurality of vertical bars 53 arranged along the outline of the first holding part 51 that is a ceiling wall and a plurality of horizontal bars 54 that connect the vertical bars 53.
- maintenance part 51 may also be comprised by two bars arrange
- the height of the holding member 5 is set to be shorter than the length of the tubular member 2, and the holding member 5 is tubular with an unillustrated pin in contact with the outer tub 12. It is connected to the member 2.
- the inner first laminated vacuum heat insulating material 3 is slightly separated from the inner tank 11.
- the inner first laminated vacuum heat insulating material 3 may be in close contact with the inner tank 11 entirely.
- the holding member 5 may be connected to the tubular member 2 in a state of floating from the outer tub 12.
- the inner first laminated vacuum heat insulating material 3 may be fixed to the first holding part 51, or may be simply placed on the first holding part 51 without being fixed to the first holding part 51.
- the inner second laminated vacuum heat insulating material 4 is wound around the second holding part 52 of the holding member 5 so that the ends overlap each other.
- the ends of the inner second laminated vacuum heat insulating material 4 are joined to each other by a surface fastener so that a tension acts on the inner second laminated vacuum heat insulating material 4, and the inner second laminated vacuum heat insulating material 4 is tubular by the tension. It is held on the outer peripheral surface of the member 2.
- the inner second laminated vacuum heat insulating material 4 may be in close contact with the inner peripheral surface of the tubular member 2, but is slightly spaced from the inner peripheral surface while being close to the inner peripheral surface of the tubular member 2. Is desirable. For this reason, it is desirable that the outer diameter of the second holding portion 52, which is a peripheral wall, be slightly smaller than the inner diameter of the tubular member 2 than the twice of the thickness of the inner second laminated vacuum heat insulating material 4.
- the relative position of the holding member 5 with respect to the tubular member 2 is fixed by the above-described pin (not shown) (the pin that connects the holding member 5 to the tubular member 2).
- the length of the inner second laminated vacuum heat insulating material 4 is shorter than the length of the tubular member 2, and the lower part of the inner peripheral surface of the tubular member 2 is exposed.
- the distance D from the lower end (one end on the outer tub 12 side) of the inner second laminated vacuum heat insulating material 4 to the lower end (one end on the outer tub 12 side) 21 of the tubular member 2 is 1 ⁇ 2 or less of the length of the tubular member 2. And 1/6 or more.
- the upper end of the inner second laminated vacuum heat insulating material 4 (the other end on the inner tub 11 side) is preferably in contact with the inner first laminated vacuum heat insulating material 3, but slightly from the inner first laminated vacuum heat insulating material 3. It may be separated.
- the inner first laminated vacuum heat insulating material 3 and the inner second laminated vacuum heat insulating material 4 may be integrated.
- the inner second laminated vacuum heat insulating material 4 that covers the inner peripheral surface of the tubular member 2 is wound around the holding member 5.
- the laminated vacuum heat insulating material 4 can be maintained in a state along the inner peripheral surface of the tubular member 2.
- the holding member 5 includes not only the second holding portion 52 around which the inner second laminated vacuum heat insulating material 4 is wound, but also the first holding portion 51 on which the inner first laminated vacuum heat insulating material 3 is placed, the inner tank 11 Even if a stud bolt or the like is not provided, the inner first laminated vacuum heat insulating material 3 can be held using the holding member 5.
- the holding member 5 since the holding member 5 has a container shape, the holding member 5 can be formed into a simple shape.
- the laminated vacuum heat insulating material tends to easily conduct heat in a direction orthogonal to the thickness direction (lamination direction).
- the thermal conductivity of the tubular member 2 is low, a temperature gradient in which the temperature gradually decreases from the lower end on the outer tub 12 side to the upper end on the inner tub 11 side is formed in the tubular member 2.
- the inner second laminated vacuum heat insulating material 4 when the inner second laminated vacuum heat insulating material 4 extends to the immediate vicinity of the outer tub 12, the inner second laminated vacuum heat insulating material 4 bypasses the intermediate portion of the tubular member 2, that is, the tubular member. 2 becomes a heat detour route for transferring heat from the lower part to the upper part.
- the length of the inner second laminated vacuum heat insulating material 4 is too short, the inner peripheral surface of the tubular member 2 is greatly exposed, so that a large amount of heat is generated by heat radiation to the inner tank 11 through the tubular member 2. invade.
- the distance D from the lower end of the inner second laminated vacuum heat insulating material 4 to the lower end of the tubular member 2 is 1/2 or less and 1/6 or more of the length of the tubular member 2 as in this embodiment.
- the first member and the second member of the present invention are not necessarily the inner tank 11 and the outer tank 12 of the double shell tank 1.
- the first member may be a low temperature plate protruding from the inner tank 11
- the second member may be a high temperature plate protruding from the outer tank 12 so as to face the low temperature plate.
- tubular member 2 is not necessarily in contact with the second member, and may be separated from the second member. Furthermore, the tubular member 2 does not necessarily need to be made of a material having a thermal conductivity lower than 1 W / m ⁇ K at room temperature, and when the thermal conduction by the tubular member 2 is small (for example, when the tubular member 2 is long).
- the tubular member 2 may be made of a metal having high thermal conductivity.
- the holding member 5 does not necessarily have the first holding part 51.
- the inner first laminated vacuum heat insulating material 3 may be held using a stat bolt provided in the inner tank 11.
- the inner second laminated vacuum heat insulating material 4 may cover the entire inner peripheral surface of the tubular member 2.
- the present invention can also be applied to various structures other than tanks.
- Double shell tank 11 Inner tank (first member) 12 Outer tank (second member) 13 Vacuum space 2 Tubular member 3 Inner first laminated vacuum heat insulating material 4 Inner second laminated vacuum heat insulating material 5 Holding member 51 First holding portion 52 Second holding portion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Thermal Insulation (AREA)
Abstract
Structure d'isolation thermique sous vide équipée : d'un premier élément ; d'un second élément faisant face au premier élément, un espace de vide se trouvant entre eux, le second élément ayant une température supérieure à celle du premier élément ; d'éléments tubulaires s'étendant du premier élément au second élément ; d'un premier matériau d'isolation thermique sous vide stratifié plan pour recouvrir le premier élément sur le côté intérieur de l'élément tubulaire ; d'un second matériau d'isolation thermique sous vide stratifié tubulaire pour recouvrir les surfaces circonférentielles intérieures des éléments tubulaires ; et d'éléments de maintien disposés sur le côté intérieur des éléments tubulaires, le second matériau d'isolation thermique sous vide stratifié étant enroulé sur les éléments de maintien.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201680062517.0A CN108139027B (zh) | 2015-10-29 | 2016-10-19 | 真空隔热构造 |
EP16859658.3A EP3369984B1 (fr) | 2015-10-29 | 2016-10-19 | Structure d'isolation thermique sous vide |
KR1020187013626A KR102451628B1 (ko) | 2015-10-29 | 2016-10-19 | 진공 단열 구조 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2015212733A JP6641155B2 (ja) | 2015-10-29 | 2015-10-29 | 真空断熱構造 |
JP2015-212733 | 2015-10-29 |
Publications (1)
Publication Number | Publication Date |
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WO2017073428A1 true WO2017073428A1 (fr) | 2017-05-04 |
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ID=58630134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2016/080962 WO2017073428A1 (fr) | 2015-10-29 | 2016-10-19 | Structure d'isolation thermique sous vide |
Country Status (5)
Country | Link |
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EP (1) | EP3369984B1 (fr) |
JP (1) | JP6641155B2 (fr) |
KR (1) | KR102451628B1 (fr) |
CN (1) | CN108139027B (fr) |
WO (1) | WO2017073428A1 (fr) |
Families Citing this family (3)
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JP7387955B2 (ja) * | 2018-08-20 | 2023-11-29 | トーヨーカネツ株式会社 | 断熱床構造 |
KR102315489B1 (ko) | 2020-09-01 | 2021-10-21 | 에스탱크엔지니어링(주) | 액화수소 저장탱크 |
WO2023096030A1 (fr) * | 2021-11-24 | 2023-06-01 | 하이리움산업(주) | Système de support pour partie de raccordement de réservoirs interne et externe d'un réservoir de stockage de fluide cryogénique et réservoir de stockage de fluide cryogénique le comprenant |
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WO2014174819A1 (fr) * | 2013-04-23 | 2014-10-30 | 川崎重工業株式会社 | Structure de support de citerne de navire, et transporteur de gaz liquefie |
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CN2634259Y (zh) * | 2003-07-09 | 2004-08-18 | 兰州理工大学 | 液化天然气贮罐内支承结构 |
CN102305347B (zh) * | 2011-05-24 | 2012-11-21 | 张家港圣汇气体化工装备有限公司 | 高真空多层绝热深冷双壳球形储罐 |
KR20150122644A (ko) * | 2013-03-01 | 2015-11-02 | 파나소닉 아이피 매니지먼트 가부시키가이샤 | 단열 용기 및 단열 구조체 |
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JPS63198899U (fr) * | 1987-06-11 | 1988-12-21 | ||
JP2014074452A (ja) * | 2012-10-04 | 2014-04-24 | Air Water Plant & Engineering Inc | 低温用真空断熱容器 |
WO2014174819A1 (fr) * | 2013-04-23 | 2014-10-30 | 川崎重工業株式会社 | Structure de support de citerne de navire, et transporteur de gaz liquefie |
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EP3369984A4 (fr) | 2019-03-13 |
CN108139027A (zh) | 2018-06-08 |
KR20180077184A (ko) | 2018-07-06 |
CN108139027B (zh) | 2020-01-03 |
EP3369984A1 (fr) | 2018-09-05 |
JP6641155B2 (ja) | 2020-02-05 |
KR102451628B1 (ko) | 2022-10-06 |
EP3369984B1 (fr) | 2020-03-18 |
JP2017082931A (ja) | 2017-05-18 |
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